Fixed bug in LDA doc-topic mapping

Use correct attribute of document object.

Skip invalid docs

src/python/pimlico/modules/gensim/lda_doc_topics/execute.py

@@ -1,16 +1,18 @@
 from builtins import range
 from collections import Counter
 
+from pimlico.core.modules.map import skip_invalid
 from pimlico.core.modules.map.multiproc import multiprocessing_executor_factory
 
 
 def worker_set_up(worker):
     worker.model = worker.info.get_input("model").load_model()
 
 
+@skip_invalid
 def process_document(worker, archive_name, doc_name, doc):
     # Get a bag of words for the document
-    bow = list(Counter(word for sentence in doc for word in sentence).items())
+    bow = list(Counter(word for sentence in doc.lists for word in sentence).items())
     # Use the LDA model to infer a topic vector for the document
     topic_weights = dict(worker.model[bow])
     # The weights are a sparse vector: fill in the relevant values and leave the rest as 0